Chapter 9Chapter 9 Basic Troubleshooting Basic Troubleshooting TechniquesTechniques
9.19.1 General Troubleshooting TechniquesGeneral Troubleshooting Techniques 9.29.2 Hardware TroubleshootingHardware Troubleshooting 9.39.3 Software TroubleshootingSoftware Troubleshooting
9.19.1 General Troubleshooting TechniquesGeneral Troubleshooting TechniquesMaintain a positive mindset
Do not panicUnderstand the problem firstKeep an open mind
Divide-and-conquerAsk “Why” to find the root causes of the problemBe observantApply the process of eliminationMake use of known workable componentUse diagnostic tools
9.29.2 Hardware TroubleshootingHardware TroubleshootingCheck the simple things first
Double check any recent installation
Check if the device driver of new device is properly installed
Read the documentation
9.39.3 Software TroubleshootingSoftware TroubleshootingWindows software is made of a number of small modules.
DLLs (Dynamic Link Libraries)chunks of program code that perform various functions
malfunction or crashes may occur whenone of DLLs is deleted, changed or corrupted
existing DLL file is overwritten
shared DLL is deleted when uninstalling applications
9.39.3 Software TroubleshootingSoftware TroubleshootingSolving software problems
Keep the system updateduse Window built-up “Update” feature
update drivers through web
Check for virusesinstall anti-virus software
keep virus definitions updated
scan the machine regularly
Reinstall application
Reinstall OS
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